Imported catalytic combustion sensor; can accurately measure the concentration of combustible gas in ambient air, response time T90 < 30 seconds; plug-in sensor components, easy to replace; digital LED display, wide operating temperature range, long life; automatic zero adjustment, automatic Identify faults and automatically prompt errors; a variety of signal outputs, a variety of wire connections; explosion-proof and combustible dust explosion-proof dual certification.
It adopts imported industrial-grade catalytic combustion sensor, which has superior characteristics such as impact resistance, H2S poisoning resistance, and silicon poisoning resistance, and supports infrared sensors;
digital LED display, wide operating temperature range and long life;
intelligent self-checking and automatic fault identification functions ;
Built-in temperature sensor, with automatic temperature compensation function;
Supports multiple signal output modes and multiple electrical interfaces, optional RS-485 and HART digital communication functions;
Infrared remote control calibration adjustment, easy to operate.
It adopts imported industrial-grade catalytic combustion sensor, which has superior characteristics such as impact resistance, H2S poisoning resistance, and silicon poisoning resistance, and supports infrared sensors;
digital LED display, wide operating temperature range and long life;
intelligent self-checking and automatic fault identification functions ;
Built-in temperature sensor, with automatic temperature compensation function;
Supports multiple signal output modes and multiple electrical interfaces, optional RS-485 and HART digital communication functions;
Infrared remote control calibration adjustment, easy to operate.
Excellent detection performance
Imported industrial-grade catalytic combustion sensor is used, which has superior characteristics such as impact resistance, H2S poisoning resistance, and silicon poisoning resistance.
Support multiple signal output modes
Supports a variety of signal output modes and a variety of electrical interfaces, and optional RS-485 and HART digital communication functions.
Meet industrial-grade harsh environment requirements
It adopts explosion-proof explosion-proof design, the explosion-proof grade reaches IICT6, and the protection grade reaches IP66. While ensuring the overall explosion-proof and protective performance, it also ensures the detection sensitivity of the target gas.
A variety of alarm methods, comprehensive security
The host has its own light alarm function, and supports external integrated explosion-proof sound and light alarms. The sound and light alarm sound reaches 95dB@30cm. Even in complex industrial site environments, it can effectively warn users and comprehensively ensure safety. ;
Flexible configuration to meet diverse needs
The infrared absorption sensor can be replaced as needed, and can be used in environments with long-term high concentrations of flammable gases or environments with insufficient oxygen content to meet the diverse needs of users in different fields.
Easy to operate
Infrared remote control calibration adjustment, no need to open the cover, easy to operate.
Technical parameter
| name | parameter value |
| Detection principle | Catalytic combustion/infrared absorption |
| scope of test | 0-100% LEL (catalytic combustion/infrared absorption) 0-5%, 100%vol (methane, infrared absorption) |
| Detection method | Diffusion |
| Accuracy | ±5% FS |
| Repeatability | <2% |
| Response time | T90<25S |
| Display method | digital LED |
| Alarm method | LED light alarm, optional explosion-proof sound and light alarm |
| Operation method | Infrared remote control |
| Power supply | 24VDC (15-30V) |
| Power consumption | <3W (with sound and light alarm <5W) |
| output signal | 4-20mA (three-wire system) relay switch output (2A 30VDC) 24VDC output (for driving sound and light alarm) RS485/HART (optional) |
| transmission cable | <1000m, 3(4)x1.5mm2 <1500m, 3(4)x2.5mm2 |
| Electrical Interface | M20(F) (other specifications and sizes can be configured on demand) |
| ambient temperature | -40℃ ~ +70℃ |
| environment humidity | 0~99%RH/No condensation |
| Sensor life | : >3 years (catalytic combustion); >5 years (infrared absorption) |
| Explosion-proof mark | Ex d IIC T6 Gb |
| Protection class | IP66 |
| Dimensions | 118x205x90mm (WxHxD) |
| weight | 1300 grams |
Common flammable gas cross-sensitivity coefficients
| gas name | molecular formula | Lower explosion limit (%VOL) | Propane Calibration | Isobutane Calibration |
Methane calibration |
| propane | C3H8 | 2.1 | 1.00 | 1.08 | 0.70 |
| Isobutane | C4H10 | 1.8 | 0.93 | 1.00 | 0.65 |
| Methane | CH4 | 5.0 | 1.43 | 1.54 | 1.00 |
| n-pentane | C5H12 | 1.4 | 0.93 | 1.00 | 0.65 |
| n-hexane | C6H14 | 1.1 | 0.93 | 1.00 | 0.65 |
| n-heptane | C7H16 | 1.1 | 0.79 | 0.85 | 0.55 |
| Isooctane | C8H18 | 1.0 | 0.71 | 0.77 | 0.50 |
| methanol | CH4O | 6.7 | 1.57 | 1.69 | 1.10 |
| Ethanol | C2H6O | 3.3 | 1.14 | 1.23 | 0.80 |
| acetone | CH3COCH3 | 2.6 | 1.07 | 1.15 | 0.75 |
| Toluene | C7H8 | 1.2 | 0.79 | 0.85 | 0.55 |
| Ethyl acetate | CH3COOC2H5 | 2.2 | 0.93 | 1.00 | 0.65 |
| hydrogen | H2 | 4.0 | 1.36 | 1.46 | 0.95 |
| vinyl | C2H4 | 2.7 | 1.07 | 1.15 | 0.75 |
*If you need to detect other gases or need other detection ranges, please contact us!
